Weil McLain 635-100-010 Thermostat 30067439-890 The unit is designed to

The unit is designed to sense air or combustion by-products that will not degrade the silicone diaphragm

This kit serves as the direct OEM cross-reference for KIT7613

ensuring perfect alignment with 1" bore blower wheels and bearing brackets

Durable Construction: Features single porcelain designs and a ferromagnetic core for traditional reliability in the field

Weil McLain 635-100-010 Thermostat 30067439-890 The unit is designed toThe Weil McLain 635 100 010 is a heavy duty commercial thermostat designed for high demand hydronic heating and indirect water heater systems. Engineered to operate within a precise 90F to 190F temperature range, this mechanical stat is the OEM replacement for controlling Plus 80, Plus 100, Plus 120, and Gold Plus 100 110 119 series commercial water heaters. As a veteran grade HVAC control, it features a rugged bulb and capillary sensing element that